TranscendTS16GJF780
SanDiskSDCZ80-016G

Release date: Q1 2012.

Release date: Q2 2012.

Real World Speed
Performance profile from 2,906 user samples

We don't have any user benchmarks for this USB. (Submit one here)

2,906 User Benchmarks
Best Bench: 81% 9GB free, PID 5580 @USB 3.0
Worst Bench: 29% 2GB free, PID 5580 @USB 3.0
Poor: 29% Great: 81%
SPEED RANK: 11th / 639
Effective Speed
Effective USB Speed
35.5 % 62.1 % Much faster effective speed.
+75%
Read
Peak Sequential Read Speed
170 MB/s 196 MB/s Faster peak read speed.
+15%
Write
Peak Sequential Write Speed
39 MB/s 62 MB/s Much faster peak write speed.
+59%
4K Read
Peak 4K Random Read Speed
6.2 MB/s 15.3 MB/s Hugely faster peak random read.
+147%
4K Write
Peak 4K Random Write Speed
0.3 MB/s 10.1 MB/s Insanely faster peak random write.
+3,267%
Value
Value For Money
16.7 % 23.9 % Much better value.
+43%
User Rating
UBM User Rating
53 % 54 % +2%
Price
Price (score)
$14 Cheaper.
+18%
$17
Age
Newest
150 Months 145 Months +3%
Capacity
Capacity
16GB 16GB
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We really like this drive, it's one of our favourites. The JetFlash 780 has superb benchmark scores, at 170 MB/s this drive has the highest sequential read score we have ever seen on a consumer grade flash drive. Very interestingly the performance profile on our test unit exceeded even the manufacturers claimed speeds by over 30MB/s! The 4K write speed is less impressive, but passable at 0.3 MB/s. With reasonably solid all round performance and a reasonable price point of £23 this drive represents outstanding value for money. [Jun '12 USBFlashPro]

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The benchmark scores for the SanDisk Extreme were stunning. Until now every flash drive we have tested has shown a serious weakness in the area of 4K random writes. The SanDisk Extreme achieved a 4K random write speed of 2.1 MB/s which was over three times faster than the best of the rest, unfortunately we were unable to get consistent measurements but 2.1 MB/s was towards at the lower end of the range (10.8 MB/s - 1.71 MB/s) we observed. We suspect the inconsistency relates to the way the controller batches page cleanup. The other benchmark observations were all consistent and to date this drive has the highest sequential read we have seen on a 16GB flash drive. The SanDisk Extreme has not been released in the UK. Our test unit had to be shipped from Hong Kong where we were able to purchase it at at an extremely reasonable price. We will update the price if/when the drive becomes officially available in the UK ... [Jul '12 USBFlashPro]

MORE DETAILS

USB Flash Drive Rankings (Price vs Performance) July 2024 USB Rankings

We highlight the best USB flash drive in terms of balanced performance and value for money using current prices, sequential read, sequential write , 4k read and 4k write speed. The speeds are combined to form a single effective speed which measures performance for tasks such as copying photos, music and videos. Effective speed is adjusted by current price and capacity to yield value for money. Finally thousands of individual user ratings are used to validate our benchmark figures. [USBFlashPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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